<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>活动图</title>
		<style>
			*{
				list-style: none;
				margin: 0;
				padding: 0;
			}
			/*切片：中控区 1104*260*/
			section div#event{
				width: 1105px;
				height: 260px;
				backgro und: #000;
				margin: 0 auto;
			}
			/* 浮动 元素 */
			section div#event ul li{
				float: left;
				margin-left: 13.5px;
				margin-top: 28px;
			}
			/*去掉第一个li 间隙 0*/
			section div#event ul li:first-child{
				margin-left: 0;
			}
			
			
			/*调整图片：266*200*/
			section div#event ul li img{
				width: 266px;
				height: 200px;
			}
			
			/*鼠标移动上去改变效果：下阴影*/
			section div#event ul li:hover{
				filter: drop-shadow(0 0 10px #8c8c8c);
			}
		</style>
	</head>
	<body>
		<!-- section元素:页面区划分,文章分节,章节划分 -->
		<section>
			<!-- 中控区 -->
			<div id	="event">
				<ul>
					<li><img src="img/left.png" alt="" /></li>
					<li><img src="img/subnav_icon01.png" alt="" /></li>
					<li><img src="img/subnav_icon02.jpg" alt="" /></li>
					<li><img src="img/subnav_icon03.png" alt="" /></li>
				</ul>
			</div>
		</section>
	</body>
</html>